ICC U2 UST Decommissioning
Study Guide
2026/2027
Complete Questions Bank and Correct
Detailed Answers with Rationales |
100% Guaranteed Pass | New Version
,4. What is the hazard that removers of petroleum tanks List three
are faced with, dangers such as petroleum ____________ ______________ _______________
hydrocarbon liquids vapor, or waste.
5. What are some syntomes of inhaling or obsorbing List three
high levels of petroleum hydorocarbon vapors.
_____________ _______________ ____________
Dizziness excitement, unconsciousness
6. Artificial resporation should be applied if A. They hit their head
B. They cant see
C. They have stopped breathing
D. They suffer from cardiac arrest
AnswerC
7. What are three parts of the body should Petroleum List three
liquids be kept away from an example would be eyes,
skin and moulth. _____________ _________________ ______________
8. Hiogh ocupational exposures to benezene have True/False
been associated with various human blood disorders AnswerTrue
9. Smoking matterials or any flamable materials must be A. People from smoking
reamoved from the job site in order to prevent B. Sudden compution
C. Second hand smoke
D. Exploshins indide of tanks due to large amounts of vapor
E. B and D
Answer E
10. What tool with the abbreviation CGI should be used _____________________________________
to check for hazardous vapor concentrations. Answer: Combustible gas indicator
11. All tools that are in areas with hazardous vapor __________________
concentartions should be shut down or they should be answer Explosion
________________ proof.
12. Undergroud storage tanks are considered ______
temerarially out of service if they are idle but will return answer 1
to service in ____ years.
,13. Undergroud storage tanks are considered A. Idle but will return to service within one year
temerarially out of service if they are B. Are awaiting abandonement in place
C. Are waiting for reamoval
D. All of the above
Answer D
14. Tanks that are out of service must be A. Checked routinely
C. Filled with sand
B. Properly secured
D. A and B
Answer B
15. When removing an under ground tank what method A. Removal of the tank
for removal is preferred. B. Closure in place
Answer B
16. Choose the reasons that a closure in place would be A. Because of the tank location, adjacent equipment or structures may be
preferred over a removal. damaged or weakened if the tank is removed.
B. It would do a lot of damage to the clients lawn
C. Removal is impossible
D. There is no equipment that is capable of removing the tank
E. Removal may incur excessive costs
Answer A, C, E
17. You should remove all stored liquid and ballast the ________________
tank by filin git with water when high _____________ levels Answer Water
occur
18. When temporarily putting a tank out of service what ______________ ____________
lines should be left open. Vent Lines
19. Lead compounds and other residues in the tank may A. Collective
be classified as_____________ waste. B. Controllable
C. Hazardous
D. Corrosive
Answer C
20. Remove liquids and residues from the tank by using A. Safety Reg
______________ _____________ or air driven pumps. B. Explosion Proof
C.
Answer B
21. If a vacuum truck is used for removal of liquids and A. Road
residues it should be positioned up _____________ wind of B. Mistral
the tank. C. Wind
D. B and C
Answer C
, 22. When filling a tank with sand for a closure in place a _______________________________________________________________________________
nominal amount of water should be used. Why _______________________________________________________________________________
23. Almost a complete filling of the tank can be A. Crushed Rock
achieved by filing it with a combination of sand and B. Cachinnate
________________ C. Yerk
D. Earth
Answer D
24. When under ground tanks are disposed in place the Why ____________________________________________________________________________
owner of the tank should keep a permanent record of
the tank location, the date of disposal in place, and the
method of conditioning the tank for disposal.
25. To remove the tank of vapors remove the fill pipe,
gauge pipe, vapor recovery truck connection,
submersible pumps, and other tank fixtures.
26. Vent all vapors from the tank at a minimum height of ________ feet ________ Feet
12 feet above grade and 3 feet about any adjacent roof
lines until the tank is purged of flammable vapors.
27. When purging a tank of gasses the area should be A. Teacher
kept free of gases by using ventilation, specifically an B. Osculate
_______________ type air mover. C. Educator
D. Cantankerous
Answer C
28. Fill (drop) tubes must be removed to allow proper A. Lugubrious
_________________ of the air in the tank. B. Debauchery
C. Farrago
D. Diffusion
Answer D
29. What is the safest and simplest methods for vapor- _____________________
freeing a tank. Answer by adding water.
30. When using water for vapor freeing what is one A. The high cost of water
reason that this method may become prohibited. B. Treatment/disposal
C. Transportation of the water
D. All of the above
Answer B
Study Guide
2026/2027
Complete Questions Bank and Correct
Detailed Answers with Rationales |
100% Guaranteed Pass | New Version
,4. What is the hazard that removers of petroleum tanks List three
are faced with, dangers such as petroleum ____________ ______________ _______________
hydrocarbon liquids vapor, or waste.
5. What are some syntomes of inhaling or obsorbing List three
high levels of petroleum hydorocarbon vapors.
_____________ _______________ ____________
Dizziness excitement, unconsciousness
6. Artificial resporation should be applied if A. They hit their head
B. They cant see
C. They have stopped breathing
D. They suffer from cardiac arrest
AnswerC
7. What are three parts of the body should Petroleum List three
liquids be kept away from an example would be eyes,
skin and moulth. _____________ _________________ ______________
8. Hiogh ocupational exposures to benezene have True/False
been associated with various human blood disorders AnswerTrue
9. Smoking matterials or any flamable materials must be A. People from smoking
reamoved from the job site in order to prevent B. Sudden compution
C. Second hand smoke
D. Exploshins indide of tanks due to large amounts of vapor
E. B and D
Answer E
10. What tool with the abbreviation CGI should be used _____________________________________
to check for hazardous vapor concentrations. Answer: Combustible gas indicator
11. All tools that are in areas with hazardous vapor __________________
concentartions should be shut down or they should be answer Explosion
________________ proof.
12. Undergroud storage tanks are considered ______
temerarially out of service if they are idle but will return answer 1
to service in ____ years.
,13. Undergroud storage tanks are considered A. Idle but will return to service within one year
temerarially out of service if they are B. Are awaiting abandonement in place
C. Are waiting for reamoval
D. All of the above
Answer D
14. Tanks that are out of service must be A. Checked routinely
C. Filled with sand
B. Properly secured
D. A and B
Answer B
15. When removing an under ground tank what method A. Removal of the tank
for removal is preferred. B. Closure in place
Answer B
16. Choose the reasons that a closure in place would be A. Because of the tank location, adjacent equipment or structures may be
preferred over a removal. damaged or weakened if the tank is removed.
B. It would do a lot of damage to the clients lawn
C. Removal is impossible
D. There is no equipment that is capable of removing the tank
E. Removal may incur excessive costs
Answer A, C, E
17. You should remove all stored liquid and ballast the ________________
tank by filin git with water when high _____________ levels Answer Water
occur
18. When temporarily putting a tank out of service what ______________ ____________
lines should be left open. Vent Lines
19. Lead compounds and other residues in the tank may A. Collective
be classified as_____________ waste. B. Controllable
C. Hazardous
D. Corrosive
Answer C
20. Remove liquids and residues from the tank by using A. Safety Reg
______________ _____________ or air driven pumps. B. Explosion Proof
C.
Answer B
21. If a vacuum truck is used for removal of liquids and A. Road
residues it should be positioned up _____________ wind of B. Mistral
the tank. C. Wind
D. B and C
Answer C
, 22. When filling a tank with sand for a closure in place a _______________________________________________________________________________
nominal amount of water should be used. Why _______________________________________________________________________________
23. Almost a complete filling of the tank can be A. Crushed Rock
achieved by filing it with a combination of sand and B. Cachinnate
________________ C. Yerk
D. Earth
Answer D
24. When under ground tanks are disposed in place the Why ____________________________________________________________________________
owner of the tank should keep a permanent record of
the tank location, the date of disposal in place, and the
method of conditioning the tank for disposal.
25. To remove the tank of vapors remove the fill pipe,
gauge pipe, vapor recovery truck connection,
submersible pumps, and other tank fixtures.
26. Vent all vapors from the tank at a minimum height of ________ feet ________ Feet
12 feet above grade and 3 feet about any adjacent roof
lines until the tank is purged of flammable vapors.
27. When purging a tank of gasses the area should be A. Teacher
kept free of gases by using ventilation, specifically an B. Osculate
_______________ type air mover. C. Educator
D. Cantankerous
Answer C
28. Fill (drop) tubes must be removed to allow proper A. Lugubrious
_________________ of the air in the tank. B. Debauchery
C. Farrago
D. Diffusion
Answer D
29. What is the safest and simplest methods for vapor- _____________________
freeing a tank. Answer by adding water.
30. When using water for vapor freeing what is one A. The high cost of water
reason that this method may become prohibited. B. Treatment/disposal
C. Transportation of the water
D. All of the above
Answer B
